休战
发表于 2025-3-28 15:34:49
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问到了烧瓶
发表于 2025-3-28 19:55:02
Realizing the Associahedron: Mysteries and Questions,There are many open problems and some mysteries connected to the realizations of the associahedra as convex polytopes. In this note, we describe three – concerning special realizations with the vertices on a sphere, the space of all possible realizations, and possible realizations of the multiassociahedron.
cognizant
发表于 2025-3-29 00:29:45
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狂热文化
发表于 2025-3-29 03:08:52
Combinatorial 2-truncated Cubes and Applications,We study a class of simple polytopes, called 2-truncated cubes. These polytopes have remarkable properties and, in particular, satisfy Gal’s conjecture. Well-known polytopes (flag nestohedra, graph-associahedra and graph-cubeahedra) are 2-truncated cubes.
CRAB
发表于 2025-3-29 09:12:55
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Genteel
发表于 2025-3-29 14:22:40
A Survey of the Higher Stasheff-Tamari Orders,The Tamari lattice, thought as a poset on the set of triangulations of a convex polygon with . vertices, generalizes to the higher Stasheff-Tamari orders on the set of triangulations of a cyclic .-dimensional polytope having . vertices. This survey discusses what is known about these orders, and what one would like to know about them.
vibrant
发表于 2025-3-29 17:35:41
https://doi.org/10.1007/978-3-0348-0405-9Tamari lattice; associahedron; associativity; polytope; poset
delegate
发表于 2025-3-29 19:53:49
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NOT
发表于 2025-3-30 01:35:07
Formal Models in the Study of Languageupoid and the Gensemer/Weinert equidivisible partial groupoid, provided they satisfy an additional axiom, weak associativity. Both structures share the one mountain property. More embedding results for partial groupoids into other types of algebraic structures are presented as well.
CANON
发表于 2025-3-30 05:22:00
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